'm jim axelrod. many americans saw gas prices go up a bit this week. californians saw them skyrocket. nationally, the average stand at $3.81 a gallon, up roughly $.supper 2, but in california prices exploded to a record high average of $4.61 a gallon, up d.n.a that's a $.47 in a week and makes it the most expensive gas in the country. as john blackstone reports, this could only happen in california. >> in the golden state, gas gold. the rush is on to fill up at a los angeles-area station where the price is only $4.55 a gallon for regular. that looks reasonable to drivers who say many stations charging $5 a >> $10 in gas isn't even going to give me a quarter of a tank. it's really out of control. >> reporter: aaa reports the average high is $4.61. a record high $4.61, it's well above that in many metropolitan areas and in some stations far above that. >> i got gas yesterday at $4.69 d i got gas yesterday at $4.69, and today i saw this at $5.69. 9.said no, i'm not going to get get f reporter: in san francisco, the average is $4.69 a gallon. the lack of buyers at a station charging $5.